Answer:
My guess is A
Explanation:
I guess it's a but dont choose it it might not be right
It’s the first one because osmosis is always about the movement of water
the answer is B: so it isa line
Answer:
I think kingdom protista, plantae, or animalia
Explanation:
Complete answer:
A mature erythrocyte lacks nucleus and mitochondria so as to make a place for the accommodation of more hemoglobin and hence more oxygen molecules. Lack of such organelles also provides the peculiar biconcave appearance of RBCs that aids in efficient diffusion. Young mammalian RBCs are nucleated.
